Home / 1,941,868.32-2,910,781.59-1,087,687.68

Finding the Fourth Proportional to 1,941,868.32, 2,910,781.59 and 1,087,687.68

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Solution

The fourth proportional to 1,941,868.32, 2,910,781.59 and 1,087,687.68 is: 1,630,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,868.32 : 2,910,781.59 = 1,087,687.68 : x
  2. Step 2: Convert to fraction form
    1,941,868.32/2,910,781.59 = 1,087,687.68/x
  3. Step 3: Cross multiply
    1,941,868.32x = 2,910,781.59 × 1,087,687.68
  4. Step 4: Simplify right side
    1,941,868.32x = 3,166,021,260,059.90
  5. Step 5: Solve for x
    x = 3,166,021,260,059.90/1,941,868.32
  6. Step 6: Final answer
    x = 1,630,399.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.